Case Study: GRP Lining Refurbishment of a Fire Sprinkler Tank
Lining Refurbishment
Having been called in to refurbish an industrial fire sprinkler tank suffering from corrosion, Sui Generis applied a corrosion and leak resistant GRP (fibreglass) lining, extending the life of the tank by at least an extra 20 years.
Corrosion
The client, producers of fine alcohol and distillers of spirits, took advantage of the free site survey offered by Sui Generis to assess an old 6m high x 11.6m diameter cylindrical sprinkler tank that was leaking and showing a significant degree of corrosion.
Tank within a tank
Sui Generis recommended a GRP lining system that effectively creates a new tank within the existing structure, as well as strengthening any weaknesses caused by the corrosion.
The tank also needed a low level manway hatch to be fitted, to reduce the risks from within the confined space. It made access much more manageable, providing easier entry for an access tower rather than lowering it through the roof top hatch.
Stable structure
Work started with pumping the residual water out from the tank, followed by grit blasting to all internal walls and floor surfaces to prepare the surfaces for the GRP lining.
After fitting the manway hatch and removing the debris, the Sui Generis team applied the GRP lining to the whole of the interior.
A coat of polyester resin was applied, with internal GRP roof purlins installed followed by a final top coat.
When cured, the GRP forms a stable structure with a high strength-to-weight ratio and good impact resistance.
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Industrial Tank Lining Service
1. Sui Generis applied a corrosion and leak resistant GRP lining, extending the life of the tank by at least an extra 20 years.
2. Internal tank showing rust and damage.
3. Roof top corrosion.
4. The tank also needed a low level manway hatch to be fitted, to reduce the risks from within the confined space.
5. The manway made access manageable, providing entry for an access tower rather than lowering it through the roof top hatch.
6. GRP matting is applied to all wall joints, then impregnated with polyester resin.
7. Resin primer wash encapsulation.
8. The health and safety training given to Sui Generis staff ensures they achieve the highest standards of workmanship on site in a safe and professional manner. This includes working at height and in confined spaces.
9. Completed GRP lining, including an polyester resin coat with manway access.
10. Completed GRP lining with top coat.
11. Completed GRP lining, including an polyester resin coat with internal GRP roof purlins installed.
12. Completed tank lining with a final top coat.
13. Completed tank lining. The manway is sealed available for use on future cleaning and maintenanace work.
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Sui Generis: The market leader in GRP (fibreglass) tank lining
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